The Study of the Micropolarity of the Interfaces in Iridescent Solutions of Tetradecyldimethylaminoxid

• Autorzy: Jakubowska A. , Dutkiewicz E.
• Języki publikacji: EN

Abstrakty

EN

We have studied the micropolarity of the interfaces in iridescent solutions of tetradecyldimethylaminoxid (C14DMAO) on increasing the mean distance between the bilayers. The values of the effective dielectric constant have been determined both on and under the surface of the bilayers, i.e. on the bulk water side, and on the micelle hydrocarbon interior side, respectively. For the surface region and micelle interior, hexaldehyde and pyrene were used as the polarity probes, respectively. Interpretation of the obtained results indicates that the micropolarity of the interfaces depends on the thickness of the bilayers, and does not depend on the mean distance between the lamellar layers.

Słowa kluczowe

EN

iridescent phases; micropolarity; fluid interfaces; surfactant bilayers; UV-Vis spectroscopy

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2005
• Tom: Vol. 79 / nr 1
• Strony: 129--134
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Jakubowska A.

• Department of Physical Chemistry, Adam Mickiewicz University, 6 Grunwaldzka Str., 60780 Poznan, Poland

autor

Dutkiewicz E.

• Department of Physical Chemistry, Adam Mickiewicz University, 6 Grunwaldzka Str., 60780 Poznan, Poland

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